[SVG2] Allow leading and trailing whitespace in svg attributes

Source/core/svg/SVGViewSpec.cpp

 /*
  * Copyright (C) 2007, 2010 Rob Buis <buis@kde.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 131 matching lines @@
     while (ptr < end && *ptr != ')') {
         if (*ptr == 'v') {
             if (skipString(ptr, end, viewBoxSpec, WTF_ARRAY_LENGTH(viewBoxSpec))) {
                 if (ptr >= end || *ptr != '(')
                     return false;
                 ptr++;
                 float x = 0.0f;
                 float y = 0.0f;
                 float width = 0.0f;
                 float height = 0.0f;
-                if (!(parseNumber(ptr, end, x) && parseNumber(ptr, end, y) && parseNumber(ptr, end, width) && parseNumber(ptr, end, height, false)))
+                if (!(parseNumber(ptr, end, x) && parseNumber(ptr, end, y) && parseNumber(ptr, end, width) && parseNumber(ptr, end, height, DisallowWhitespace)))
                     return false;
                 updateViewBox(FloatRect(x, y, width, height));
                 if (ptr >= end || *ptr != ')')
                     return false;
                 ptr++;
             } else if (skipString(ptr, end, viewTargetSpec, WTF_ARRAY_LENGTH(viewTargetSpec))) {
                 if (ptr >= end || *ptr != '(')
                     return false;
                 const CharType* viewTargetStart = ++ptr;
                 while (ptr < end && *ptr != ')')
@@ skipping 54 matching lines @@
     visitor->registerWeakMembers<SVGViewSpec, &SVGViewSpec::clearWeakMembers>(this);
 }
 
 void SVGViewSpec::clearWeakMembers(Visitor* visitor)
 {
     if (!visitor->isAlive(m_contextElement))
         detachContextElement();
 }
 
 }